...which is considered by many to be around the cusp of the modern period of technological evolution, how would you describe the 20th century? Imagine that you are transported to an opera house, where you've already convinced the folks of your legitimacy. The naysayers have been hushed and the audience is developing a glassy eyed stare, waiting to hear what you say about your future. You are only allowed a maximum of 3 paragraphs, please - so you must think about what would make the cut in your description. Remember, these people haven't even concieved of plastic yet.